ruby中用ancestor取得类的祖先链

作者在 2013-01-27 03:06:56 发布以下内容
[4] pry(main)> Array.ancestors
=> [Array, Enumerable, Object, PP::ObjectMixin, Kernel, BasicObject]
[5] pry(main)> String.ancestors
=> [String, Comparable, Object, PP::ObjectMixin, Kernel, BasicObject]

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